Function to convert time into various formats using PHP.

function time_convert($time,$type){
$time_hour=substr($time,0,2);
$time_minute=substr($time,3,2);
$time_seconds=substr($time,6,2);
if($type == 1):
// 12 Hour Format with uppercase AM-PM
$time=date("h:i A", mktime($time_hour,$time_minute,$time_seconds));
elseif($type == 2):
// 12 Hour Format with lowercase am-pm
$time=date("h:i a", mktime($time_hour,$time_minute,$time_seconds));
elseif($type == 3):
// 24 Hour Format
$time=date("H:i", mktime($time_hour,$time_minute,$time_seconds));
elseif($type == 4):
// Swatch Internet time 000 through 999
$time=date("B", mktime($time_hour,$time_minute,$time_seconds));
elseif($type == 5):
// 9:30:23 PM
$time=date("h:i:s A", mktime($time_hour,$time_minute,$time_seconds));
elseif($type == 6):
// 9:30 PM with timezone, EX: EST, MDT
$time=date("h:i A T", mktime($time_hour,$time_minute,$time_seconds));
elseif($type == 7):
// Different to Greenwich(GMT) time in hours
$time=date("O", mktime($time_hour,$time_minute,$time_seconds));
endif;
return $time;
};